Most sinus infections clear up on their own within one to two weeks without antibiotics. Treatment focuses on managing symptoms while your body fights off the infection, using a combination of nasal irrigation, steroid sprays, pain relievers, and environmental adjustments. Some mild symptoms like congestion or drainage may linger for several weeks even after the infection resolves.
Saline Nasal Irrigation
Flushing your nasal passages with saltwater is one of the most effective things you can do at home. It physically washes out mucus, bacteria, and inflammatory debris from your sinuses, providing relief that’s both immediate and cumulative. You can use a neti pot, squeeze bottle, or bulb syringe.
To make your own solution, mix one to two cups of distilled or previously boiled water with a quarter to half teaspoon of non-iodized salt. Never use tap water directly, as it can introduce harmful organisms into your nasal passages. You can irrigate once or twice daily while you have symptoms. Some people continue rinsing a few times per week even after recovery to prevent future infections.
Pre-mixed saline packets are available at most pharmacies and take the guesswork out of the salt ratio. Whichever method you choose, rinse the irrigation device thoroughly after each use and let it air dry.
Nasal Steroid Sprays
Over-the-counter nasal corticosteroid sprays reduce the inflammation that causes sinus pressure, congestion, and pain. A meta-analysis in the Annals of Family Medicine found that these sprays produce the most consistent improvements in facial pain and congestion, with meaningful symptom relief typically appearing around the three-week mark rather than immediately. That delayed benefit means you need to use them consistently, not just when symptoms flare.
The analysis also found a clear dose-response relationship: higher doses worked better. At the higher end, roughly 1 in 8 patients experienced significant symptom resolution they wouldn’t have had with a placebo alone. At standard doses, that number was about 1 in 14. Common options available without a prescription include fluticasone and triamcinolone sprays. Follow the dosing instructions on the package, and give it at least two to three weeks before judging whether it’s helping.
Decongestant Sprays and Their Limits
Topical decongestant sprays like oxymetazoline work fast, shrinking swollen nasal tissue within minutes. They’re useful for short bursts of relief, especially at bedtime when congestion makes sleep impossible. But there’s a hard limit: three days. After about three days of use, these sprays can cause rebound congestion, a condition called rhinitis medicamentosa, where your nasal passages swell up worse than before you started using the spray. The more you use it to fix the rebound, the worse the cycle gets.
Oral decongestants (like pseudoephedrine) don’t carry the same rebound risk and can be used for longer stretches, though they can raise blood pressure and cause jitteriness. If you need decongestant relief beyond three days, switch to the oral form or rely on saline irrigation and steroid sprays instead.
Pain and Pressure Relief
The facial pain and headache from a sinus infection come from pressure building up in your sinus cavities. Acetaminophen and ibuprofen both work well for this. Ibuprofen has the added benefit of reducing inflammation, which can help with swelling in the nasal passages. Use whichever you normally tolerate well, and follow the dosing directions on the label.
Warm compresses placed over your forehead, nose, and cheeks can also ease pressure. Some people find that leaning over a bowl of hot water (with a towel draped over their head) loosens thick mucus and provides temporary relief, though the effect is short-lived.
Humidity and Your Environment
Dry air thickens mucus and irritates inflamed sinus tissue, slowing recovery. Keeping indoor humidity between 30% and 50% helps your sinuses stay moist enough to drain properly. A simple humidity gauge costs a few dollars at any hardware store. When humidity climbs above 60%, you create ideal conditions for mold and dust mites, both of which can worsen sinus problems or trigger new ones.
If you use a humidifier, clean it regularly to prevent mold from growing in the water reservoir. Sleeping with your head slightly elevated can also help sinuses drain overnight, reducing that heavy, congested feeling in the morning.
When Antibiotics Actually Help
Because most sinus infections are caused by viruses, antibiotics won’t speed up recovery in the majority of cases. Doctors typically reserve antibiotics for bacterial sinus infections, which are suspected when symptoms last longer than 10 days without improving, when symptoms initially improve and then suddenly get worse, or when you develop a high fever alongside severe facial pain and thick, colored nasal discharge.
If your doctor does prescribe antibiotics, you’ll generally start to feel better within a few days, though it’s important to finish the full course. Stopping early can leave behind the most resistant bacteria, setting the stage for a harder-to-treat recurrence.
What to Do When It Keeps Coming Back
Sinus infections that last longer than 12 weeks or recur four or more times in a year fall into a different category: chronic or recurrent sinusitis. At that point, treatment becomes more aggressive. The standard approach involves at least six weeks of nasal corticosteroids, a minimum seven-day course of antibiotics if bacterial infection is suspected, and consistent nasal irrigation for at least six weeks.
If that full medical regimen doesn’t work, a CT scan can reveal structural problems like blocked drainage pathways or thickened tissue. Procedures like balloon sinuplasty, where a small balloon is inflated inside a blocked sinus opening to widen it, become an option only after medical treatment has been thoroughly tried and imaging confirms the obstruction. This isn’t where most people end up, but it’s worth knowing the path if your infections keep returning.
Symptoms That Need Immediate Attention
Sinus infections rarely cause serious complications, but certain symptoms signal that the infection may be spreading beyond the sinuses. Seek care right away if you notice pain, swelling, or redness around your eyes, a high fever, confusion, double vision or other changes in your eyesight, or a stiff neck. These can indicate the infection has reached the eye socket or the tissue surrounding the brain, both of which require urgent treatment.